showydyshell80
showydyshell80 showydyshell80
  • 23-03-2017
  • Mathematics
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The radius of a circle is 8 kilometers. What is the length of a 45° arc?

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lia2001dragon
lia2001dragon lia2001dragon
  • 23-03-2017
45/360 × 8 squared pi = 25 kilometers
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